SANTA CLARA, Calif., Oct. 19, 2009 – According to the recent "Intel Holiday Mobile Etiquette" study conducted by Harris Interactive* and sponsored by Intel Corporation, most online U.S. adults (80 percent) feel there are unspoken rules about mobile technology usage, and approximately 7 in 10 (69 percent) agreed that violations of these unspoken mobile etiquette guidelines, such as checking e-mails, sending text messages and making phone calls while in the company of others, are unacceptable.